Eve-Project/node_modules/zone.js/bundles/async-test.umd.js

'use strict';
/**
 * @license Angular v<unknown>
 * (c) 2010-2022 Google LLC. https://angular.io/
 * License: MIT
 */
(function (factory) {
    typeof define === 'function' && define.amd ? define(factory) :
        factory();
})((function () {
    'use strict';
    (function (_global) {
        var _a;
        var AsyncTestZoneSpec = /** @class */ (function () {
            function AsyncTestZoneSpec(finishCallback, failCallback, namePrefix) {
                this.finishCallback = finishCallback;
                this.failCallback = failCallback;
                this._pendingMicroTasks = false;
                this._pendingMacroTasks = false;
                this._alreadyErrored = false;
                this._isSync = false;
                this._existingFinishTimer = null;
                this.entryFunction = null;
                this.runZone = Zone.current;
                this.unresolvedChainedPromiseCount = 0;
                this.supportWaitUnresolvedChainedPromise = false;
                this.name = 'asyncTestZone for ' + namePrefix;
                this.properties = { 'AsyncTestZoneSpec': this };
                this.supportWaitUnresolvedChainedPromise =
                    _global[Zone.__symbol__('supportWaitUnResolvedChainedPromise')] === true;
            }
            AsyncTestZoneSpec.prototype.isUnresolvedChainedPromisePending = function () {
                return this.unresolvedChainedPromiseCount > 0;
            };
            AsyncTestZoneSpec.prototype._finishCallbackIfDone = function () {
                var _this = this;
                // NOTE: Technically the `onHasTask` could fire together with the initial synchronous
                // completion in `onInvoke`. `onHasTask` might call this method when it captured e.g.
                // microtasks in the proxy zone that now complete as part of this async zone run.
                // Consider the following scenario:
                //    1. A test `beforeEach` schedules a microtask in the ProxyZone.
                //    2. An actual empty `it` spec executes in the AsyncTestZone` (using e.g. `waitForAsync`).
                //    3. The `onInvoke` invokes `_finishCallbackIfDone` because the spec runs synchronously.
                //    4. We wait the scheduled timeout (see below) to account for unhandled promises.
                //    5. The microtask from (1) finishes and `onHasTask` is invoked.
                //    --> We register a second `_finishCallbackIfDone` even though we have scheduled a timeout.
                // If the finish timeout from below is already scheduled, terminate the existing scheduled
                // finish invocation, avoiding calling `jasmine` `done` multiple times. *Note* that we would
                // want to schedule a new finish callback in case the task state changes again.
                if (this._existingFinishTimer !== null) {
                    clearTimeout(this._existingFinishTimer);
                    this._existingFinishTimer = null;
                }
                if (!(this._pendingMicroTasks || this._pendingMacroTasks ||
                    (this.supportWaitUnresolvedChainedPromise && this.isUnresolvedChainedPromisePending()))) {
                    // We wait until the next tick because we would like to catch unhandled promises which could
                    // cause test logic to be executed. In such cases we cannot finish with tasks pending then.
                    this.runZone.run(function () {
                        _this._existingFinishTimer = setTimeout(function () {
                            if (!_this._alreadyErrored && !(_this._pendingMicroTasks || _this._pendingMacroTasks)) {
                                _this.finishCallback();
                            }
                        }, 0);
                    });
                }
            };
            AsyncTestZoneSpec.prototype.patchPromiseForTest = function () {
                if (!this.supportWaitUnresolvedChainedPromise) {
                    return;
                }
                var patchPromiseForTest = Promise[Zone.__symbol__('patchPromiseForTest')];
                if (patchPromiseForTest) {
                    patchPromiseForTest();
                }
            };
            AsyncTestZoneSpec.prototype.unPatchPromiseForTest = function () {
                if (!this.supportWaitUnresolvedChainedPromise) {
                    return;
                }
                var unPatchPromiseForTest = Promise[Zone.__symbol__('unPatchPromiseForTest')];
                if (unPatchPromiseForTest) {
                    unPatchPromiseForTest();
                }
            };
            AsyncTestZoneSpec.prototype.onScheduleTask = function (delegate, current, target, task) {
                if (task.type !== 'eventTask') {
                    this._isSync = false;
                }
                if (task.type === 'microTask' && task.data && task.data instanceof Promise) {
                    // check whether the promise is a chained promise
                    if (task.data[_a.symbolParentUnresolved] === true) {
                        // chained promise is being scheduled
                        this.unresolvedChainedPromiseCount--;
                    }
                }
                return delegate.scheduleTask(target, task);
            };
            AsyncTestZoneSpec.prototype.onInvokeTask = function (delegate, current, target, task, applyThis, applyArgs) {
                if (task.type !== 'eventTask') {
                    this._isSync = false;
                }
                return delegate.invokeTask(target, task, applyThis, applyArgs);
            };
            AsyncTestZoneSpec.prototype.onCancelTask = function (delegate, current, target, task) {
                if (task.type !== 'eventTask') {
                    this._isSync = false;
                }
                return delegate.cancelTask(target, task);
            };
            // Note - we need to use onInvoke at the moment to call finish when a test is
            // fully synchronous. TODO(juliemr): remove this when the logic for
            // onHasTask changes and it calls whenever the task queues are dirty.
            // updated by(JiaLiPassion), only call finish callback when no task
            // was scheduled/invoked/canceled.
            AsyncTestZoneSpec.prototype.onInvoke = function (parentZoneDelegate, currentZone, targetZone, delegate, applyThis, applyArgs, source) {
                if (!this.entryFunction) {
                    this.entryFunction = delegate;
                }
                try {
                    this._isSync = true;
                    return parentZoneDelegate.invoke(targetZone, delegate, applyThis, applyArgs, source);
                }
                finally {
                    // We need to check the delegate is the same as entryFunction or not.
                    // Consider the following case.
                    //
                    // asyncTestZone.run(() => { // Here the delegate will be the entryFunction
                    //   Zone.current.run(() => { // Here the delegate will not be the entryFunction
                    //   });
                    // });
                    //
                    // We only want to check whether there are async tasks scheduled
                    // for the entry function.
                    if (this._isSync && this.entryFunction === delegate) {
                        this._finishCallbackIfDone();
                    }
                }
            };
            AsyncTestZoneSpec.prototype.onHandleError = function (parentZoneDelegate, currentZone, targetZone, error) {
                // Let the parent try to handle the error.
                var result = parentZoneDelegate.handleError(targetZone, error);
                if (result) {
                    this.failCallback(error);
                    this._alreadyErrored = true;
                }
                return false;
            };
            AsyncTestZoneSpec.prototype.onHasTask = function (delegate, current, target, hasTaskState) {
                delegate.hasTask(target, hasTaskState);
                // We should only trigger finishCallback when the target zone is the AsyncTestZone
                // Consider the following cases.
                //
                // const childZone = asyncTestZone.fork({
                //   name: 'child',
                //   onHasTask: ...
                // });
                //
                // So we have nested zones declared the onHasTask hook, in this case,
                // the onHasTask will be triggered twice, and cause the finishCallbackIfDone()
                // is also be invoked twice. So we need to only trigger the finishCallbackIfDone()
                // when the current zone is the same as the target zone.
                if (current !== target) {
                    return;
                }
                if (hasTaskState.change == 'microTask') {
                    this._pendingMicroTasks = hasTaskState.microTask;
                    this._finishCallbackIfDone();
                }
                else if (hasTaskState.change == 'macroTask') {
                    this._pendingMacroTasks = hasTaskState.macroTask;
                    this._finishCallbackIfDone();
                }
            };
            return AsyncTestZoneSpec;
        }());
        _a = AsyncTestZoneSpec;
        (function () {
            _a.symbolParentUnresolved = Zone.__symbol__('parentUnresolved');
        })();
        // Export the class so that new instances can be created with proper
        // constructor params.
        Zone['AsyncTestZoneSpec'] = AsyncTestZoneSpec;
    })(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global);
    Zone.__load_patch('asynctest', function (global, Zone, api) {
        /**
         * Wraps a test function in an asynchronous test zone. The test will automatically
         * complete when all asynchronous calls within this zone are done.
         */
        Zone[api.symbol('asyncTest')] = function asyncTest(fn) {
            // If we're running using the Jasmine test framework, adapt to call the 'done'
            // function when asynchronous activity is finished.
            if (global.jasmine) {
                // Not using an arrow function to preserve context passed from call site
                return function (done) {
                    if (!done) {
                        // if we run beforeEach in @angular/core/testing/testing_internal then we get no done
                        // fake it here and assume sync.
                        done = function () { };
                        done.fail = function (e) {
                            throw e;
                        };
                    }
                    runInTestZone(fn, this, done, function (err) {
                        if (typeof err === 'string') {
                            return done.fail(new Error(err));
                        }
                        else {
                            done.fail(err);
                        }
                    });
                };
            }
            // Otherwise, return a promise which will resolve when asynchronous activity
            // is finished. This will be correctly consumed by the Mocha framework with
            // it('...', async(myFn)); or can be used in a custom framework.
            // Not using an arrow function to preserve context passed from call site
            return function () {
                var _this = this;
                return new Promise(function (finishCallback, failCallback) {
                    runInTestZone(fn, _this, finishCallback, failCallback);
                });
            };
        };
        function runInTestZone(fn, context, finishCallback, failCallback) {
            var currentZone = Zone.current;
            var AsyncTestZoneSpec = Zone['AsyncTestZoneSpec'];
            if (AsyncTestZoneSpec === undefined) {
                throw new Error('AsyncTestZoneSpec is needed for the async() test helper but could not be found. ' +
                    'Please make sure that your environment includes zone.js/plugins/async-test');
            }
            var ProxyZoneSpec = Zone['ProxyZoneSpec'];
            if (!ProxyZoneSpec) {
                throw new Error('ProxyZoneSpec is needed for the async() test helper but could not be found. ' +
                    'Please make sure that your environment includes zone.js/plugins/proxy');
            }
            var proxyZoneSpec = ProxyZoneSpec.get();
            ProxyZoneSpec.assertPresent();
            // We need to create the AsyncTestZoneSpec outside the ProxyZone.
            // If we do it in ProxyZone then we will get to infinite recursion.
            var proxyZone = Zone.current.getZoneWith('ProxyZoneSpec');
            var previousDelegate = proxyZoneSpec.getDelegate();
            proxyZone.parent.run(function () {
                var testZoneSpec = new AsyncTestZoneSpec(function () {
                    // Need to restore the original zone.
                    if (proxyZoneSpec.getDelegate() == testZoneSpec) {
                        // Only reset the zone spec if it's
                        // still this one. Otherwise, assume
                        // it's OK.
                        proxyZoneSpec.setDelegate(previousDelegate);
                    }
                    testZoneSpec.unPatchPromiseForTest();
                    currentZone.run(function () {
                        finishCallback();
                    });
                }, function (error) {
                    // Need to restore the original zone.
                    if (proxyZoneSpec.getDelegate() == testZoneSpec) {
                        // Only reset the zone spec if it's sill this one. Otherwise, assume it's OK.
                        proxyZoneSpec.setDelegate(previousDelegate);
                    }
                    testZoneSpec.unPatchPromiseForTest();
                    currentZone.run(function () {
                        failCallback(error);
                    });
                }, 'test');
                proxyZoneSpec.setDelegate(testZoneSpec);
                testZoneSpec.patchPromiseForTest();
            });
            return Zone.current.runGuarded(fn, context);
        }
    });
}));